Home / 102,983.32-142,043.58-94,512.76

Finding the Fourth Proportional to 102,983.32, 142,043.58 and 94,512.76

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Solution

The fourth proportional to 102,983.32, 142,043.58 and 94,512.76 is: 130,360.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,983.32 : 142,043.58 = 94,512.76 : x
  2. Step 2: Convert to fraction form
    102,983.32/142,043.58 = 94,512.76/x
  3. Step 3: Cross multiply
    102,983.32x = 142,043.58 × 94,512.76
  4. Step 4: Simplify right side
    102,983.32x = 13,424,930,786.08
  5. Step 5: Solve for x
    x = 13,424,930,786.08/102,983.32
  6. Step 6: Final answer
    x = 130,360.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.